RT Journal Article
T1 Surface integrity investigations for prediction of fatigue properties after machining of alloy 718
A1 Holmberg, Jonas
A1 Wretland, Anders
A1 Hammersberg, Peter
A1 Berglund, Johan
A1 Suárez, Alfredo
A1 Beno, Tomas
AB Fatigue performance is crucial for gas turbine components, and it is greatly affected by the manufacturing processes. Ability to predict the expected fatigue life of a component based on surface integrity has been the objective in this work, enabling new processing methods. Alloy 718 samples were prepared by different machining setups, evaluated in fatigue testing and surface integrity investigations. These results generated two predictive statistical multi-variate regression models. The fatigue correlated well with roughness, residual stresses and deformation. The two models showed great potential, which encourages further exploration to fine-tune the procedure for the particular case.
SN 0142-1123
YR 2021
FD 2021-03
LA eng
NO Holmberg , J , Wretland , A , Hammersberg , P , Berglund , J , Suárez , A & Beno , T 2021 , ' Surface integrity investigations for prediction of fatigue properties after machining of alloy 718 ' , International Journal of Fatigue , vol. 144 , 106059 , pp. 106059 . https://doi.org/10.1016/j.ijfatigue.2020.106059
NO Publisher Copyright: © 2020 The Authors
DS TECNALIA Publications
RD 29 sept 2024